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Monthly climate in Manaus, Brazil

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Manaus features a tropical rainforest climate (Af). Temperatures typically range between 26 °C (79 °F) and 28 °C (83 °F) through the year, but rarely can drop to 21 °C (70 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 2640 mm (104.0 inches) and receives 275 rainy days on the 1 mm (0.04 inches) threshold annually. Manaus enjoys an average of 3184 hours of sunshine throughout the year, and daylight varies from 11 hours 56 minutes to 12 hours 17 minutes per day.

Monthly average temperatures in Manaus, Brazil §

The warmest months in Manaus are August, September and October, with daily mean temperatures ranging from 28 to 28 °C (82 - 83 °F) throughout the day. The coldest temperatures usually occur in January, February and April, when daily mean temperatures range from 26 to 26 °C (79 - 79 °F) throughout the day. On average each year, Manaus experiences 329 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Manaus, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 34°C
(93°F)		 33°C
(92°F)		 33°C
(93°F)		 33°C
(92°F)		 34°C
(93°F)		 33°C
(91°F)		 34°C
(93°F)		 36°C
(98°F)		 36°C
(98°F)		 37°C
(99°F)		 35°C
(96°F)		 34°C
(93°F)
Mean maximum 33°C
(91°F)		 32°C
(90°F)		 33°C
(92°F)		 32°C
(90°F)		 32°C
(91°F)		 32°C
(89°F)		 33°C
(92°F)		 35°C
(96°F)		 35°C
(96°F)		 35°C
(95°F)		 34°C
(94°F)		 33°C
(91°F)
Average high 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(86°F)		 30°C
(87°F)		 31°C
(88°F)		 33°C
(91°F)		 33°C
(91°F)		 32°C
(90°F)		 31°C
(88°F)		 30°C
(86°F)
Daily mean 26°C
(79°F)		 26°C
(79°F)		 26°C
(80°F)		 26°C
(79°F)		 26°C
(80°F)		 27°C
(80°F)		 27°C
(81°F)		 28°C
(82°F)		 28°C
(83°F)		 28°C
(82°F)		 27°C
(81°F)		 26°C
(79°F)
Average low 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(75°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(76°F)		 24°C
(75°F)
Mean minimum 22°C
(72°F)		 23°C
(73°F)		 22°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 23°C
(73°F)		 22°C
(72°F)		 22°C
(73°F)		 23°C
(73°F)		 22°C
(73°F)		 23°C
(74°F)		 22°C
(72°F)
Minimum 22°C
(71°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 22°C
(72°F)		 21°C
(70°F)		 22°C
(72°F)		 22°C
(73°F)		 22°C
(71°F)		 23°C
(73°F)		 22°C
(72°F)

Compare climate in Manaus with other places

Compare temperature, precipitation, sunshine, UV index in Manaus, Brazil with other places around the world.

Monthly average precipitation in Manaus, Brazil §

Manaus usually has the most precipitation in March, April and December, with an average of 28 rainy days and 349 mm (13.7 inches) of precipitation per month. The driest months in Manaus are July, August and September. On average, 87 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Manaus, Brazil. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 238 (9.4) 242 (9.5) 349 (13.7) 341 (13.4) 316 (12.5) 147 (5.8) 87 (3.4) 59 (2.3) 116 (4.6) 171 (6.7) 219 (8.6) 356 (14.0)
Average precipitation days (≥ 1 mm) 23 24 28 29 29 22 16 13 17 20 25 29

Monthly sunshine hours in Manaus, Brazil §

The sunniest months in Manaus are July, August and September, when the sun shines an average of 10 hours 26 minutes a day. Least sunny months in Manaus: January, February and April receive an average of 7 hours 1 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Manaus, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 205 207 242 219 271 298 327 323 309 293 253 230
Mean daily daylight hours 12h 15m 12h 11m 12h 6m 12h 1m 11h 57m 11h 56m 11h 56m 12h 0m 12h 4m 12h 9m 12h 14m 12h 17m

Solar UV radiation in Manaus, Brazil §

Manaus experiences the highest level of ultraviolet (UV) radiation in February, March and April, when the maximum UV index can reach values of 16 - 16, which corresponds to the Extreme category of sun exposure. June, July and August are in the Extreme exposure category. In these months, the maximum values of the UV index do not exceed 12. For more detailed information, check out our hourly Manaus UV Index data.

Average daily maximum UV levels by month for Manaus, Brazil. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 15 16 16 16 13 12 11 11 13 13 14 13

Detailed Monthly Weather Insights for Manaus, Brazil

Discover in-depth weather details for every month in Manaus. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Manaus's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.